then if things start to make progress, they could make it known. but that's one of the things they might try. it's a busy day mere in the newsroom, ahead in the shadows, fear sweeping immigrant communities across the west as uncertainty over president trump's travel ban looms and cities who want california to become a sanctuary state. and overdosed outrage, dozens of heroin cases in a single day, puts one american city on edge. we take you to the heart of an epidemic. you're live in the cnn newsroom.